A sleeping bag includes a top cover and bottom sheet. The bottom sheet can be secured to a sleeping pad and includes a sheet portion and lateral flaps connected to the sheet portion along opposite lateral edges of the sleeping pad when the bottom sheet is secured thereto. The top cover and lateral flaps enable attachment, detachment, and reattachment of the lateral flaps along their lateral edges to a top cover outer surface along corresponding attachment paths displaced medially from top cover lateral edges, enabling a top cover headward portion to assume wrapped and expanded configurations, and enabling conversion between those configurations. When wrapped, headward portions of the top cover outer surface, that are lateral of the attachment paths, are positioned against the sheet portion; when expanded, the lateral flaps and lateral portions of the top cover extend upward or laterally away from the sleeping pad lateral edges.
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1. A sleeping bag assembly for use by a user, the sleeping bag assembly comprising:
a bottom sheet, which is sized and shaped to underlie the user when using the sleeping bag assembly, and two opposing lateral bottom sheet edges;
an insulated top cover defining two opposing lateral cover edges, the top cover having an outer surface adapted to face away from the user when occupying the sleeping bag assembly;
a first lateral flap coupled to one of the lateral bottom sheet edges of the bottom sheet along a first bottom sheet attachment path and releasably coupled to the outer surface of the top cover along a first cover attachment path, the first cover attachment path being displaced medially inboard from one of the lateral cover edges; and
a second lateral flap coupled to the other one of the lateral bottom sheet edges of the bottom sheet along a second bottom sheet attachment path and releasably coupled to the outer surface of the top cover along a second cover attachment path, the second cover attachment path being displaced medially inboard from the other one of the lateral cover edges;
wherein, in a sleeping bag configuration, the top cover is attached to the first and second lateral flaps along both the first and second cover attachment paths to define an interior chamber of the sleeping bag sized and shaped for receiving the user of the sleeping bag assembly;
a headward portion of the top cover extending above the first and second cover attachment paths, the headward portion being selectively moveable between a wrapped configuration and an expanded configuration while the user occupies the interior chamber of the sleeping bag;
lateral side portions of the top cover being defined as a portion of the top cover located between the first and second cover attachment paths and the respective lateral cover edge, each of the lateral side portions of the top cover having a lateral extent greater than the respective first and second lateral flap such that the lateral side portions can be arranged to at least partially underlie a part of the user when the user is occupying the interior chamber of the sleeping bag assembly.
10. A sleeping bag assembly for use by a user, the sleeping bag assembly comprising:
a bottom sheet, which is sized and shaped to underlie the user when using the sleeping bag assembly, and two opposing lateral bottom sheet edges;
an insulated top cover defining a headward end, a footward end, and two opposing lateral cover edges, the top cover having an outer surface adapted to face away from the user when occupying the sleeping bag assembly, and an inner surface adapted to face the user when occupying the sleeping bag assembly;
a first lateral flap coupled to one of the lateral bottom sheet edges of the bottom sheet along a first bottom sheet attachment path and releasably coupled to the outer surface of the top cover along a first cover attachment path; and
a second lateral flap coupled to the other one of the lateral bottom sheet edges of the bottom sheet along a second bottom sheet attachment path and releasably coupled to the outer surface of the top cover along a second cover attachment path;
wherein, in a sleeping bag configuration, the top cover is attached to the first and second lateral flaps along both the first and second cover attachment paths to define an interior chamber of the sleeping bag sized and shaped for receiving the user of the sleeping bag assembly;
a headward portion of the top cover extending above the first and second cover attachment paths, the headward portion being selectively moveable between a first configuration and a second configuration while the user occupies the interior chamber of the sleeping bag;
in the first configuration, a portion of the headward portion can be folded footward to uncover a part of the user when the user is occupying the interior chamber of the sleeping bag assembly;
lateral side portions of the top cover being defined as a portion of the top cover located between the first and second cover attachment paths and the respective lateral cover edge, each of the lateral side portions of the top cover having a lateral extent greater than the respective first and second lateral flap such that, in the first and second configurations, the lateral side portions can be arranged at least partially within the interior chamber such that a portion of the outer surface of the top cover can be at least partially disposed within the interior chamber.
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This application is a continuation of U.S. patent application Ser. No. 15/865,233 filed Jan. 8, 2018, which claims the benefit of U.S. Provisional Application No. 62/444,228 filed Jan. 9, 2017. These applications are hereby incorporated by reference as if fully set forth herein.
The field of the present invention relates to sleeping bags. In particular, examples of a girth-adjustable sleeping bag and of methods of use thereof are disclosed.
A variety of conventional sleeping bags exist, including rectangular sleeping bags, semi-rectangular sleeping bags, and mummy-type sleeping bags. Larger bags are more comfortable and allow more freedom of movement, but smaller bags are more thermally efficient due to a smaller interior volume that must be heated by the user's body heat. A user is therefore forced to compromise, or to acquire multiple different bags suitable for different temperature conditions; a given conventional sleeping bag cannot be readily adapted to even a moderate range of temperature conditions. Even if a larger bag is suitable for the temperature conditions, a sleeping bag is still more restrictive and less comfortable than traditional bedding, and does not readily accommodate a full range of different sleeping positions.
A sleeping bag is typically used in conjunction with a sleeping pad. Movement of the user while sleeping can result in the user in the sleeping bag rolling or sliding off of the sleeping pad. The sleeping pad typically provides at least some degree of thermal insulation under the sleeper, which is well, because the compressible insulation of the sleeping bag loses its thermally insulating properties when compressed by the weight of the user. The weight of the sleeping bag insulation that ends up beneath the user is effectively dead weight.
An inventive sleeping bag comprises a top cover and a bottom sheet. The bottom sheet is structurally arranged so as to be secured to a sleeping pad. The bottom sheet includes a sheet portion and a pair of flexible opposing lateral flaps connected along corresponding medial edges thereof to the sheet portion so that, with the bottom sheet secured to the sleeping pad, the lateral flaps are positioned along corresponding opposite lateral edges of the sleeping pad. The top cover and the pair of lateral flaps are structurally arranged so as to enable attachment, detachment, and reattachment of each lateral flap along a corresponding lateral edge thereof to an outer surface of the top cover along a corresponding curved or linear attachment path displaced medially from a corresponding lateral edge of the top cover. Such placement of the attachments paths on the top cover enables a headward portion of the top cover (extending in a headward direction from footward ends of the lateral flaps) to assume wrapped and expanded configurations, and enables a user occupying the sleeping bag to convert between the wrapped and expanded configurations. In the wrapped configuration, the headward portion of the top cover is arranged with portions of the top cover outer surface, that are disposed laterally relative to the attachment paths, positioned against the sheet portion of the bottom sheet; in the expanded configuration, each one of the lateral flaps, and laterally disposed portions of the top cover, are arranged to extend upward or laterally away from the corresponding lateral edges of the sleeping pad.
Objects and advantages pertaining to sleeping bags may become apparent upon referring to the example embodiments illustrated in the drawings and disclosed in the following written description or appended claims.
This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The embodiments depicted are shown only schematically; all features may not be shown in full detail or in proper proportion, certain features or structures may be exaggerated relative to others for clarity, and the drawings should not be regarded as being to scale. The embodiments shown are only examples; they should not be construed as limiting the scope of the present disclosure or appended claims.
For purposes of the present disclosure and appended claims, the terms top, bottom, up, down, above, below, and so forth are defined relative to a generally horizontal surface (e.g., the ground) on which a sleeping pad 100 and the inventive sleeping bag are positioned for a user to occupy the sleeping bag. For purposes of the present disclosure and appended claims, the terms “headward” and “footward” designate opposite longitudinal directions along the length of the inventive sleeping bag or its components, with headward indicating the direction toward which the head of a user occupying the sleeping bag typically would be positioned, and footward indicating the opposite direction, toward which the feet of the user occupying the sleeping bag typically would be positioned. For purposes of the present disclosure and appended claims, “transverse” indicates directions generally horizontal and generally orthogonal to the headward/footward directions. For purposes of the present disclosure and appended claims, “lateral” indicates a position along a structure or object that is located farther transversely from a longitudinal midline of the sleeping bag, while “medial” indicates a position along the structure or object that is located closer transversely to the longitudinal midline of the sleeping bag. For purposes of the present disclosure and appended claims, movement or conversion “between” a first configuration or arrangement and a second configuration or arrangement includes both (i) movement or conversion from the first configuration or arrangement to the second configuration or arrangement and (ii) movement or conversion from the second configuration or arrangement to the first configuration or arrangement.
An example of an inventive sleeping bag is shown in
The top cover 300 and the pair of lateral flaps 220 are structurally arranged so as to enable attachment, detachment, and reattachment of each lateral flap 220 along its corresponding lateral edge 225 to the outer surface 301 of the top cover 300. The lateral edge 225 of each lateral flap 220 is attached to the top cover 300 along a corresponding curved or linear attachment path 335 along the outer surface 301 of the top cover 300. The outer surface 301 is the surface of the top cover 300 that faces generally away from a user occupying the sleeping bag, while the inner surface 302 is the surface of the top cover 300 that faces generally toward the user occupying the sleeping bag. Each attachment path 335 is displaced medially from a corresponding lateral edge 303 of the top cover 300. The medial displacement of the attachment paths 335 in the inventive sleeping bag is greater than or about equal to 4 inches, and can be greater than or about equal to 5 inches, greater than or about equal to 6 inches, greater than or about equal to 7 inches, greater than or about equal to 9 inches, greater than or about equal to 11 inches, or even larger. Such large medial displacements of the attachment paths 335 from the lateral edges 303 of the top cover 300 are substantially larger than a displacement resulting from use of a typical zipper baffle such as might be employed with an edge zipper (e.g., typically less than about 2 or 3 inches of displacement of the edge zipper from a corresponding edge; an example of a typical zipper baffle is shown on the lower right edge 345 of the top cover 300 in
The relatively large medial displacement (e.g., greater than or about equal to 4 inches or more, as noted above) of the attachment paths 335 from the corresponding lateral edges 303 of the top cover 300, and the transverse distance across each lateral flap 220 (e.g., flap width greater than or about equal to 4 inches or more, as noted above), enable the inventive sleeping bag (with the bottom sheet 200 secured to the sleeping pad 100, and with the lateral flaps 220 attached to the top cover 300 along the attachment paths 335) to assume different arrangements according to the desires of a user occupying the sleeping bag, and to be converted between those different arrangements while the user occupies the sleeping bag. A headward portion the top cover 300 (i.e., that portion extending in a headward direction from footward ends of the attachment paths 335 and the attached lateral flaps 220) can assume both wrapped and expanded configurations, and can be converted between those configurations while the user occupies the sleeping bag.
By enabling conversion between wrapped and expanded configurations, the inventive sleeping bag provides the new and useful result that the sleeping bag can be used comfortably by users of various different builds (e.g., with the headward portion of the top cover 300 in the wrapped configuration for a user with a slender build, or in the expanded configuration for a user with a stout build) or under different temperature conditions (e.g., with the headward portion of the top cover 300 in the wrapped configuration for colder conditions, or in the expanded configuration for warmer conditions or to provide more freedom of movement for the user). A single inventive sleeping bag can take the place of multiple different conventional sleeping bags that are each suitable for only a relatively narrow range of temperature conditions. Conventional sleeping bags of multiple different sizes for accommodating users of different sizes can be replaced by inventive sleeping bags of relatively fewer different sizes, or even only a single size (so-called one-size-fits-all or one-size-fits-most scenarios). Weight can also be reduced relative to a conventional sleeping bag, because a portion of thermally insulating material that would necessarily end up underneath the user in a conventional sleeping bag can be omitted from the inventive sleeping bag, while still providing increased freedom of movement with the top cover in its expanded configuration. The attachment of the top cover 300 to the lateral flaps 220 also serves to prevent, in most instances, the user from sliding or rolling off of the sleeping pad 100; the lateral flaps 220 obstruct such movements of the user.
The sleeping pad 100 can be of any suitable type or arrangement, including but not limited to a foam pad or an inflatable pad. Typical widths include widths from about 20 inches to about 30 inches; other suitable widths can be employed outside of that range. Typical lengths includes lengths from about 36 inches to about 80 inches, typically from about 60 inches to about 80 inches for adults; other lengths outside those ranges can be employed. The sleeping pad 100 can act as a thermal insulator or can include any suitable or desired thermally insulating material. The sleeping pad can be roughly rectangular (e.g., as in
In examples wherein the sleeping pad 100 and the bottom sheet 200 are separate articles, the sheet portion 201 of the bottom sheet 200 can be arranged so as to be secured to the sleeping pad 100 in a fitted-sheet arrangement (e.g., as in
The inventive sleeping bag can be arranged so that, with the bottom sheet 200 secured to the sleeping pad 100, each lateral flap 220 extends in headward and footward directions to any suitable or desired positions along the sleeping pad 100, e.g., over the entire length of the sleeping pad 100 or over only a portion of the length of the sleeping pad 100. In some examples, the footward ends of the lateral flaps 220 extend no further than about a midpoint of the sleeping pad 100 (e.g., extend less than or about equal to 36 inches from the headward end of a 72-inch sleeping pad). In some examples (e.g., as in
In some examples, the lateral edge 225 of each lateral flap 220 includes a zipper element that mates with a corresponding zipper element arranged along the corresponding attachment path 335 on the top cover 300. Those mating zipper elements enable the attachment, detachment, and reattachment of each lateral flap 220 along its lateral edge 225 to the outer surface 301 of the top cover 300 along the corresponding curved or linear attachment path 335 (typically linear). In some other examples, the top cover 300 and the bottom sheet 200 can include corresponding sets of mating fastener elements arranged along the lateral edges 225 of the lateral flaps 220 and along the attachment paths 335 that enable the attachment, detachment, and reattachment of each lateral flap 220 along its lateral edge 225 to the outer surface 301 of the top cover 300 along the corresponding attachment path 335. Examples of suitable fastener elements can include, e.g., snaps, clasps, hook-and-loop, buttons, ties or laces, and so forth.
As described above, a headward portion of the top cover 300 can be arranged in the wrapped or expanded configuration; that headward portion extends headward from the footward ends of the attachment paths 335 (and headward from the footward ends of the lateral flaps 220 when the top cover is attached to the bottom sheet 200). In some examples a footward portion of the top cover 300 can be arranged as a closed footbox (i.e., a fixed tubular portion with a fixedly closed end). In other examples, the footward portion of the top cover 300 can also be structurally arranged to assume different configurations according to the needs or desires of a user occupying the sleeping bag. In some examples, the footward portion of the top cover can be structurally arranged to assume a tubular configuration (e.g., as in
The different configurations described in the preceding paragraph for the footward portion of the top cover 300 provide additional options for a user occupying the inventive sleeping bag. In cooler conditions, footward portions 345 of the top cover lateral edges 303 can be secured together so that the footward portion of the top cover 300 is arranged in the tubular configuration; the footward end 347 of the top cover 300 can also be closed, if desired. In that way the lower portions of the user's body are completely encircled by the top cover 300. In conjunction with the wrapped arrangement of the headward portion of the top cover 300, maximal warmth is provided to the user occupying the sleeping bag. In warmer conditions, or if greater freedom of movement is desired, the footward portions 345 of the top cover lateral edges 303 can be separated and the footward portion of the top cover 300 can be arranged in the flattened configuration. The lower portions of the user's body can move unconstrained by the top cover 300, and can even move out from under the top cover 300. In conjunction with the expanded configuration of the headward portion of the top cover 300, increased freedom of movement is available to the user occupying the sleeping bag. If even more freedom of movement is desired, or if a given temperature is too warm for the user's comfort beneath the top cover 300, the top cover 300 can be detached from one or both lateral flaps 220 while the user occupies the sleeping bag. Detachment of the top cover 300 from one or both lateral flaps 220 enables the user to arrange the top cover 300 to cover, or leave uncovered, any desired portions of the user's body for achieving comfort under the given temperature conditions, in a manner similar to use of traditional bedding.
In some examples, the bottom sheet 200 of the inventive sleeping bag includes a hood 240 comprising a transverse hood segment and a pair of lateral hood segments. The hood 240 is attached to the sheet portion 201 of the bottom sheet 200 so that, with the bottom sheet 200 secured to the sleeping pad 100, (i) the transverse hood segment is positioned across a headward end of the sleeping pad 100, and (ii) the lateral hood segments are positioned along corresponding headward portions of corresponding opposite lateral edges of the sleeping pad 100. In some examples, the hood 240 can act as a thermal insulator or include thermally insulating material. In cooler conditions, the hood 240 can be arranged to surround the user's head and shoulders while occupying the sleeping bag (e.g., in conjunction with the headward portion of the top cover 300 being arranged in the wrapped configuration, and with the footward portion of the top cover 300 being arranged in the tubular configuration with the footward end closed; optionally part of the headward portion of the top cover 300 can be tucked into the hood 240, e.g., as in
In some examples (e.g., as in
If needed or desired, one or more of the hood 240, the bottom sheet 200, or the top cover 300 can be provided with a storage pocket formed therein or thereon. Such a storage pocket can include a zipper, fastener, or other closure if needed or desired.
Any one or more materials (e.g., fabrics or insulators) suitable for constructing a conventional sleeping bag can be employed for constructing an inventive sleeping bag. Examples of such materials include, but are not limited to: nylon, polyester, silk, cotton, taffeta, ripstop, pongee, flannel, microfiber, Gore-Tex, or fleece; natural down, synthetic insulation, or other insulating material; or metal-coated polymer film or other thermally shielding or thermally reflective material. If needed or desired, one or more of the sleeping pad, bottom sheet, or top cover can include heating elements, e.g., electrical or chemical heating elements.
In addition to the preceding, the following examples fall within the scope of the present disclosure or appended claims:
A sleeping bag comprising a top cover and a bottom sheet, wherein: (a) the bottom sheet is structurally arranged so as to be secured to a sleeping pad; (b) the bottom sheet includes a sheet portion and a pair of flexible opposing lateral flaps connected along corresponding medial edges thereof to the sheet portion so that, with the bottom sheet secured to the sleeping pad, the lateral flaps are positioned along corresponding opposite lateral edges of the sleeping pad; and (c) the top cover and the pair of lateral flaps are structurally arranged so as to enable attachment, detachment, and reattachment of each lateral flap along a corresponding lateral edge thereof to an outer surface of the top cover along a corresponding curved or linear attachment path displaced medially from a corresponding lateral edge of the top cover.
The sleeping bag of Example 1 wherein, with the bottom sheet secured to the sleeping pad and with the lateral flaps attached to the top cover, the top cover and the bottom sheet are structurally arranged so as to enable a headward portion of the top cover, which extends in a headward direction from footward ends of the lateral flaps, (i) to assume a wrapped configuration with portions of the top cover outer surface, that are disposed laterally relative to the attachment paths, being positioned against the sheet portion of the bottom sheet; (ii) to assume an expanded configuration with each one of the lateral flaps, and laterally disposed portions of the top cover, extending upward or laterally away from the corresponding lateral edges of the sleeping pad; and (iii) to be converted between the wrapped and expanded configurations by a user occupying the sleeping bag.
The sleeping bag of any one of Examples 1 or 2 wherein distance along each flap from the medial edge thereof to the lateral edge thereof is greater than or about equal to 4 inches, greater than or about equal to 5 inches, greater than or about equal to 6 inches, greater than or about equal to 7 inches, greater than or about equal to 9 inches, greater than or about equal to 11 inches, or even larger.
The sleeping bag of any one of Examples 1 through 3 wherein distance along the top cover from each attachment path to the corresponding lateral edge of the top cover is greater than or about equal to 4 inches, greater than or about equal to 5 inches, greater than or about equal to 6 inches, greater than or about equal to 7 inches, greater than or about equal to 9 inches, greater than or about equal to 11 inches, or even larger.
The sleeping bag of any one of Examples 1 through 4 wherein distance along the top cover from each attachment path to the corresponding lateral edge of the top cover is greater than or about equal to distance along each flap from the medial edge thereof to the lateral edge thereof.
The sleeping bag of any one of Examples 1 through 5 wherein, with the bottom sheet secured to the sleeping pad, each lateral flap extends in a footward direction no further than about a midpoint of the sleeping pad.
The sleeping bag of any one of Examples 1 through 6 wherein, with the bottom sheet secured to the sleeping pad, neither lateral flap extends in a headward direction as far as a headward end of the sleeping pad.
The sleeping pad of any one of Examples 1 through 7 wherein the top cover acts as a thermal insulator or includes thermally insulating material.
The sleeping pad of any one of Examples 1 through 8 wherein the sleeping pad acts as a thermal insulator or includes thermally insulating material.
The sleeping bag of any one of Examples 1 through 9 further comprising the sleeping pad.
The sleeping bag of Example 10 wherein the bottom sheet and the sleeping pad are integrally formed.
The sleeping bag of any one of Examples 1 through 10 wherein sheet portion of the bottom sheet is arranged so as to be secured to the sleeping pad in a fitted-sheet arrangement.
The sleeping bag of Example 12 wherein the bottom sheet includes one or more straps arranged so that, with the sheet portion of the bottom sheet secured to the sleeping pad in the fitted-sheet arrangement, each one of the one or more straps is connected to opposite edges of the sheet portion and passes underneath the sleeping pad.
The sleeping bag of any one of Examples 1 through 13 wherein the bottom sheet includes a hood comprising a transverse hood segment and a pair of lateral hood segments and is attached to the sheet portion of the bottom sheet so that, with the sheet portion of the bottom sheet secured to the sleeping pad, (i) the transverse hood segment is positioned across a headward end of the sleeping pad, and (ii) the lateral hood segments are positioned along corresponding headward portions of corresponding opposite lateral edges of the sleeping pad.
The sleeping bag of Example 14 wherein each lateral flap is integrally formed with a corresponding one of the lateral hood segments.
The sleeping bag of any one of Examples 14 or 15 wherein each lateral flap extends in a footward direction from a corresponding footward end of the corresponding lateral hood segment.
The sleeping bag of any one of Examples 14 or 16 wherein a headward portion of each lateral flap and a corresponding footward portion of the corresponding lateral hood segment overlap one another.
The sleeping bag of any one of Examples 14 through 17 wherein the hood acts as a thermal insulator or includes thermally insulating material.
The sleeping bag of any one of Examples 1 through 18 wherein the top cover and the bottom sheet include corresponding mating zipper elements arranged so as to enable the attachment, detachment, and reattachment of each lateral flap along the corresponding lateral edge thereof to the outer surface of the top cover along the corresponding curved or linear attachment path.
The sleeping bag of any one of Examples 1 through 19 wherein the top cover and the bottom sheet include corresponding sets of mating fastener elements arranged so as to enable the attachment, detachment, and reattachment of each lateral flap along the corresponding lateral edge thereof to the outer surface of the top cover along the corresponding curved or linear attachment path.
The sleeping bag of any one of Examples 1 through 20 wherein a footward portion of the top cover is structurally arranged so as to enable the footward portion of the top cover to assume a tubular configuration with corresponding footward portions of opposite lateral edges of the top cover secured together.
The sleeping bag of Example 21 wherein the top cover includes corresponding mating zipper elements arranged along the footward portions of the opposite lateral edges of the top cover so as to enable (i) the footward portion of the top cover to assume the tubular configuration with the footward portions of the lateral edges secured together, and (ii) the footward portions of the lateral edges of the top cover to be detached from each other and thereby enable the footward portion of the top cover to assume a substantially flattened configuration.
The sleeping bag of any one of Examples 21 or 22 wherein the top cover includes corresponding sets of mating fastener elements arranged along the footward portions of the opposite lateral edges of the top cover so as to enable (i) the footward portion of the top cover to assume the tubular configuration with the footward portions of the lateral edges secured together, and (ii) the footward portions of the lateral edges of the top cover to be detached from each other and thereby enable the footward portion of the top cover to assume a substantially flattened configuration.
The sleeping bag of any one of Examples 21 through 23 wherein a footward end of the top cover is structurally arranged so as to enable, with the footward portion of the top cover in the tubular configuration, the footward end of the top cover to be closed.
The sleeping bag of Example 24 wherein the footward end of the top cover includes one or more zippers, fasteners, or drawstrings arranged so as to enable, with the footward portion of the top cover in the tubular configuration, the footward end of the top cover to be closed.
The sleeping bag of any one of Examples 21 through 25 wherein the footward portion of the top cover extends headward at least a far as footward ends of the connection paths.
The sleeping bag of any one of Examples 1 through 26 further comprising a pillow positioned within the hood.
The sleeping bag of any one of Examples 1 through 27 further comprising a storage pocket formed in or on the hood, the bottom sheet, or the top cover.
A method for using the sleeping bag of any one of Examples 1 through 28, the method comprising: (A) with the bottom sheet secured to the sleeping pad, attaching each lateral flap along the corresponding lateral edge thereof to the outer surface of the top cover along the corresponding attachment path so that a user occupying the sleeping bag is at least partly enclosed by the bottom sheet and the top cover; and one or both of: (B) with the lateral flaps attached to the top cover, arranging a headward portion of the top cover, which extends in a headward direction from footward ends of the lateral flaps, to assume a wrapped configuration with portions of the top cover outer surface that are disposed laterally relative to the attachment paths being positioned against the sheet portion of the bottom sheet underneath the user; or
(C) with the lateral flaps attached to the top cover, arranging the headward portion of the top cover to assume an expanded configuration with each one of the lateral flaps, and laterally disposed portions of the top cover, extending upward and laterally away from the corresponding lateral edges of the sleeping pad.
The method of Example 29 for using the sleeping bag of any one of Examples 2 through 28, the method further comprising, with the lateral flaps attached to the top cover and the user occupying the sleeping bag, converting the top cover from the wrapped configuration to the expanded configuration or from the expanded configuration to the wrapped configuration.
The method of any one of Examples 29 or 30 for using the sleeping bag of any one of Examples 1 through 28, the method further comprising, with the lateral flaps attached to the top cover and the user occupying the sleeping bag, detaching one or both flaps from the top cover.
The method of any one of Examples 29 through 31 for using the sleeping bag of any one of Examples 12 through 28, the method further comprising, before part (A), securing the bottom sheet to the sleeping pad in a fitted-sheet arrangement.
The method of any one of Examples 29 through 32 for using the sleeping bag of any one of Examples 21 through 28, the method further comprising arranging a footward portion of the top cover to assume a tubular configuration with corresponding footward portions of opposite lateral edges of the top cover secured together.
The method of any one of Examples 29 through 33 for using the sleeping bag of any one of Examples 24 through 28, the method further comprising, with the footward portion of the top cover in the tubular configuration, closing a footward end of the top cover.
The method of any one of Examples 29 through 34 for using the sleeping bag of any one of Examples 22 through 28, the method further comprising arranging a footward portion of the top cover to assume a substantially flattened configuration with corresponding footward portions of opposite lateral edges of the top cover separated from one another.
It is intended that equivalents of the disclosed example embodiments and methods shall fall within the scope of the present disclosure or appended claims. It is intended that the disclosed example embodiments and methods, and equivalents thereof, may be modified while remaining within the scope of the present disclosure or appended claims.
In the foregoing Detailed Description, various features may be grouped together in several example embodiments for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that any claimed embodiment requires more features than are expressly recited in the corresponding claim. Rather, as the appended claims reflect, inventive subject matter may lie in less than all features of a single disclosed example embodiment. Thus, the appended claims are hereby incorporated into the Detailed Description, with each claim standing on its own as a separate disclosed embodiment. However, the present disclosure shall also be construed as implicitly disclosing any embodiment having any suitable set of one or more disclosed or claimed features (i.e., a set of features that are neither incompatible nor mutually exclusive) that appear in the present disclosure or the appended claims, including those sets that may not be explicitly disclosed herein. In addition, for purposes of disclosure, each of the appended dependent claims shall be construed as if written in multiple dependent form and dependent upon all preceding claims with which it is not inconsistent. It should be further noted that the scope of the appended claims does not necessarily encompass the whole of the subject matter disclosed herein.
For purposes of the present disclosure and appended claims, the conjunction “or” is to be construed inclusively (e.g., “a dog or a cat” would be interpreted as “a dog, or a cat, or both”; e.g., “a dog, a cat, or a mouse” would be interpreted as “a dog, or a cat, or a mouse, or any two, or all three”), unless: (i) it is explicitly stated otherwise, e.g., by use of “either . . . or,” “only one of,” or similar language; or (ii) two or more of the listed alternatives are mutually exclusive within the particular context, in which case “or” would encompass only those combinations involving non-mutually-exclusive alternatives. For purposes of the present disclosure and appended claims, the words “comprising,” “including,” “having,” and variants thereof, wherever they appear, shall be construed as open ended terminology, with the same meaning as if the phrase “at least” were appended after each instance thereof, unless explicitly stated otherwise. For purposes of the present disclosure or appended claims, when terms are employed such as “about equal to,” “substantially equal to,” “greater than about,” “less than about,” and so forth, in relation to a numerical quantity, standard conventions pertaining to measurement precision and significant digits shall apply, unless a differing interpretation is explicitly set forth. For null quantities described by phrases such as “substantially prevented,” “substantially absent,” “substantially eliminated,” “about equal to zero,” “negligible,” and so forth, each such phrase shall denote the case wherein the quantity in question has been reduced or diminished to such an extent that, for practical purposes in the context of the intended operation or use of the disclosed or claimed apparatus or method, the overall behavior or performance of the apparatus or method does not differ from that which would have occurred had the null quantity in fact been completely removed, exactly equal to zero, or otherwise exactly nulled.
For purposes of the present disclosure and appended claims, any labelling of elements, steps, limitations, or other portions of an embodiment, example, or claim (e.g., first, second, etc., (a), (b), (c), etc., or (i), (ii), (iii), etc.) is only for purposes of clarity, and shall not be construed as implying any sort of ordering or precedence of the portions so labelled. If any such ordering or precedence is intended, it will be explicitly recited in the embodiment, example, or claim or, in some instances, it will be implicit or inherent based on the specific content of the embodiment, example, or claim. In the appended claims, if the provisions of 35 USC § 112(f) are desired to be invoked in an apparatus claim, then the word “means” will appear in that apparatus claim. If those provisions are desired to be invoked in a method claim, the words “a step for” will appear in that method claim. Conversely, if the words “means” or “a step for” do not appear in a claim, then the provisions of 35 USC § 112(f) are not intended to be invoked for that claim.
If any one or more disclosures are incorporated herein by reference and such incorporated disclosures conflict in part or whole with, or differ in scope from, the present disclosure, then to the extent of conflict, broader disclosure, or broader definition of terms, the present disclosure controls. If such incorporated disclosures conflict in part or whole with one another, then to the extent of conflict, the later-dated disclosure controls.
The Abstract is provided as required as an aid to those searching for specific subject matter within the patent literature. However, the Abstract is not intended to imply that any elements, features, or limitations recited therein are necessarily encompassed by any particular claim. The scope of subject matter encompassed by each claim shall be determined by the recitation of only that claim.
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